QUESTION EIGHT

a$.$ In Fig. $2$ is shown a plot of pump net head as a function of pump volume flow rate, or capacity. On the figure, label the following

i$.$ Shutoff head

ii$.$ The free delivery

iii. The pump performance curve

iv$.$ The system curve

v$.$ The operating point

$[2$ marks$]$

$[2$ marks$]$

$[2$ marks$]$

$[2$ marks$]$

$[2$ marks$]$

Figure $2$

b$.$ Explain the following

i$.$ Why dissimilar pumps should not be arranged in series

$[5$ marks$]$

ii$.$ Why dissimilar pumps should not be arranged in parallel

$[5$ marks$]$

TOTAL: $[20$ MARKS$]$